000 00264nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
041 _aENG
100 _aBIS
245 0 _aIS: 269-1989
260 _aNEW DELHI
_bBIS PUBLICATION
_c1990
300 _a7
942 _2ddc
999 _c63055
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